Question 433799
{{{(1/2)*sqrt(64*2) - sqrt(49*2) + (1/3)*sqrt(15^2) = (1/2)*sqrt(8^2*2) - sqrt(7^2*2) + (1/3)*sqrt(15^2) = (1/2) * 8sqrt(2) - 7sqrt(2) + (1/3) * 15 = 4sqrt(2) - 7sqrt(2) + 5 = 5 - 3sqrt(2)}}}
If we substitute the value for sqrt(2):
{{{5 - 3*1.41 = 0.77}}}